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DEXAW
2004
IEEE
181views Database» more  DEXAW 2004»
15 years 6 months ago
Algebraic Optimization of Data Delivery Patterns in Mobile Sensor Networks
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
Vladimir Zadorozhny, Panos K. Chrysanthis, Alexand...
CIKM
2007
Springer
15 years 8 months ago
Extending query translation to cross-language query expansion with markov chain models
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...
Guihong Cao, Jianfeng Gao, Jian-Yun Nie, Jing Bai
WWW
2006
ACM
16 years 3 months ago
Mining search engine query logs for query recommendation
This paper presents a simple and intuitive method for mining search engine query logs to get fast query recommendations on a large scale industrial-strength search engine. In orde...
Zhiyong Zhang, Olfa Nasraoui
EDBT
2006
ACM
127views Database» more  EDBT 2006»
16 years 2 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
SEMWEB
2009
Springer
15 years 9 months ago
Conjunctive Query Answering in Distributed Ontology Systems for Ontologies with Large OWL ABoxes
We present a query processing procedure for conjunctive queries in distributed ontology systems where a large ontology is divided into ontology fragments that are later distributed...
Xueying Chen, Michel Dumontier